// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_FILEAPI_MOCK_FILE_CHANGE_OBSERVER_H_
#define CONTENT_BROWSER_FILEAPI_MOCK_FILE_CHANGE_OBSERVER_H_

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "storage/browser/fileapi/file_observers.h"
#include "storage/browser/fileapi/file_system_url.h"
#include "storage/browser/fileapi/task_runner_bound_observer_list.h"

namespace storage {

// Mock file change observer.
class MockFileChangeObserver : public FileChangeObserver {
public:
    MockFileChangeObserver();
    ~MockFileChangeObserver() override;

    // Creates a ChangeObserverList which only contains given |observer|.
    static ChangeObserverList CreateList(MockFileChangeObserver* observer);

    // FileChangeObserver overrides.
    void OnCreateFile(const FileSystemURL& url) override;
    void OnCreateFileFrom(const FileSystemURL& url,
        const FileSystemURL& src) override;
    void OnRemoveFile(const FileSystemURL& url) override;
    void OnModifyFile(const FileSystemURL& url) override;
    void OnCreateDirectory(const FileSystemURL& url) override;
    void OnRemoveDirectory(const FileSystemURL& url) override;

    void ResetCount()
    {
        create_file_count_ = 0;
        create_file_from_count_ = 0;
        remove_file_count_ = 0;
        modify_file_count_ = 0;
        create_directory_count_ = 0;
        remove_directory_count_ = 0;
    }

    bool HasNoChange() const
    {
        return create_file_count_ == 0 && create_file_from_count_ == 0 && remove_file_count_ == 0 && modify_file_count_ == 0 && create_directory_count_ == 0 && remove_directory_count_ == 0;
    }

    int create_file_count() const { return create_file_count_; }
    int create_file_from_count() const { return create_file_from_count_; }
    int remove_file_count() const { return remove_file_count_; }
    int modify_file_count() const { return modify_file_count_; }
    int create_directory_count() const { return create_directory_count_; }
    int remove_directory_count() const { return remove_directory_count_; }

    int get_and_reset_create_file_count()
    {
        int tmp = create_file_count_;
        create_file_count_ = 0;
        return tmp;
    }
    int get_and_reset_create_file_from_count()
    {
        int tmp = create_file_from_count_;
        create_file_from_count_ = 0;
        return tmp;
    }
    int get_and_reset_remove_file_count()
    {
        int tmp = remove_file_count_;
        remove_file_count_ = 0;
        return tmp;
    }
    int get_and_reset_modify_file_count()
    {
        int tmp = modify_file_count_;
        modify_file_count_ = 0;
        return tmp;
    }
    int get_and_reset_create_directory_count()
    {
        int tmp = create_directory_count_;
        create_directory_count_ = 0;
        return tmp;
    }
    int get_and_reset_remove_directory_count()
    {
        int tmp = remove_directory_count_;
        remove_directory_count_ = 0;
        return tmp;
    }

private:
    int create_file_count_;
    int create_file_from_count_;
    int remove_file_count_;
    int modify_file_count_;
    int create_directory_count_;
    int remove_directory_count_;

    DISALLOW_COPY_AND_ASSIGN(MockFileChangeObserver);
};

} // namespace storage

#endif // CONTENT_BROWSER_FILEAPI_MOCK_FILE_CHANGE_OBSERVER_H_
